clear
use mrc_table3.dta
merge m:1 super_opeid using mrc_table10.dta

su tier par_q1 par_q2 if cohort==1980 & public==1 & (flagship==1|tier==2|tier==3) & tier<=7 & multi==0, d
su tier par_q1 par_q2 if cohort==1980 & public==1 & flagship==0 & tier>=5 & tier<=7 & multi==0, d
tab tier if cohort==1980 & public==1 & flagship==0 & tier>=5 & tier<=7 & multi==0 & par_q1~=. & par_q2~=.
